Scientists have used mitochondrial DNA to trace a female lineage from northern coastal China to the Americas. By integrating contemporary and ancient mitochondrial DNA, the team found evidence of at least two migrations: ...
Archaeology
May 9, 2023
0
571
For thousands of years, people in the British Isles lived with and depended on wild animals for food and clothes. The land teemed with species such as deer, boar, wolves, lynx and beavers. Then came farming, population growth ...
Ecology
May 8, 2023
0
4
Do politicians internalize the consequences of their war-related votes? A new paper published in the Journal of Political Economy finds that they do—when their family is involved.
Social Sciences
May 3, 2023
0
7
As one of three co-teachers of a Stanford Graduate School of Business course on the rapidly growing importance of older consumers and workers, Rob Chess likes to say that his colleague Laura Carstensen, the founding director ...
Social Sciences
May 2, 2023
0
45
People's ability to regenerate bones declines with age and is further decreased by diseases such as osteoporosis. To help the aging population, researchers are looking for new therapies that improve bone regeneration.
Biochemistry
Apr 28, 2023
0
201
Human lifespan is related to the aging of our individual cells. Three years ago a group of University of California San Diego researchers deciphered essential mechanisms behind the aging process. After identifying two distinct ...
Cell & Microbiology
Apr 27, 2023
1
500
Tiny pores in the cell nucleus play an essential role for healthy aging by protecting and preserving the genetic material. A team from the Department of Theoretical Biophysics at the Max Planck Institute of Biophysics in ...
Cell & Microbiology
Apr 27, 2023
0
23
In Japan, many municipalities have suffered from population decline due to low birth rates and an aging population. In 2022, the Japanese population over the age of 65 was 36.21 million, accounting for 28.9% of the total ...
Economics & Business
Apr 25, 2023
0
3
A recent study led by Dr. Huo Ran (State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University) integrated reconstructed data and (global climate and hydrological) model simulations to better ...
Earth Sciences
Apr 24, 2023
0
2
During the last ice age, massive icebergs periodically broke off from an ice sheet covering a large swath of North America and discharged rapidly melting ice into the North Atlantic Ocean around Greenland, triggering abrupt ...
Earth Sciences
Apr 24, 2023
0
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